溢流坝

溢流坝段混凝土建筑物施工测量实践

Surveying practice in concrete construction of overfall dam

由于下水库溢流坝坝址处河谷狭窄，河床底宽约8～12m。

At the dam site of the moutain spillway dam of the lower reservoir , the width of the riverbed is about 8 ~ 12m .

万安水利枢纽RCC溢流坝设计

Design of Wan'an RCC overflow dam

本文引入水气两相流模型，用kε紊流数学模型模拟计算了阶梯溢流坝自由表面掺气的特征量。

By introducing air-water two phase flow model , this article uses k - ε turbulence model to calculate the characteristic variables of free-surface aeration on stepped spillway .

本文应用二元势流条件下的数学模型，对常用的指数形式的高溢流坝坝顶下游曲线中的A、B值进行了综合研究。

Assuming a two-dimensional ideal potential flow , comprehensive study is pursued for the values of A and B of the exponential equation , for usual downstream crest curve shapes by the use of a mathematical model .

新型X宽尾墩-台阶溢流坝-戽式消力池作为消能工之一，在水利枢纽中得到广泛的应用，并且常常采用模型试验的方式来验证工程的安全性。

As one of the dissipation system , new X flaring gate pier-stepped spillway-bucket typed stilling pool is used in hydro-project , and always take the model experiment to validate the security of the project frequently .

研究结果表明，采用X型宽尾墩-阶梯溢流坝联合消能，阶梯坝面上能形成明显的纵、横向旋滚，提高了消能效果。

It is concluded that the combination of stepped surface with X-shape flaring gate pier remarkably enhances the efficiency of energy dissipation due to the longitudinal and transverse eddies taken place on the stepped dam surface .

发电前溢流坝只浇筑到160m高程。

To pour concrete in the spillway only to el . 160m before power generation ;

考虑重力、离心力及曲率的影响，建立了溢流坝反弧段边界层动量积分方程及连续方程，应用Runge-Kutta法进行了数值求解，并将计算结果与模型试验结果进行了对比。

Considering influences of gravity , centrifugal force and curvature , the momentum integral equation and continuity equation were established , then solving them with the Runge-Kutta method .

利用k-ε紊流模型模拟了带有曲线自由表面的阶梯溢流坝和非阶梯溢流坝的紊流流场，采用流体体积分数法（VOF法）来确定自由表面。

The turbulence model is applied to simulate the turbulent overflow of stepped spillway and non-stepped spillway , the VOF ( Volume of Fluid ) method is used to determine free surface .

昭平水电站溢流坝属低坝，最大坝高395m。

The ZHS over fall big dam is a low dam . The maximum dam height is 39.5m .

三峡工程最大水头113m，溢流坝面最高流速达35m／s，对泄流面平整度要求很高，施工很难作到。

The maximum water head of the Three Gorges Project ( TGP ) is 113 m and the maximum flow rate in the overflow dam face will amount to 35 m / s. It is very difficult to meet its requirement of smoothness in construction of the overflow dam face .

溢流坝导流底孔以下采用碾压混凝土。

To use RCC in the spillway below the diversion outlets ;

影响阶梯溢流坝消能率的因素

Factors of influence on the energy dissipation ratio of stepped spillways

三峡工程左岸非溢流坝8号坝段施工期变形规律及成因分析

Study on deformation of the left non-overflow dam No.8 in TGP

低水头大流量溢流坝系统水激振动研究

Flow-induced vibration of low head and large discharge over flow dam

阶梯溢流坝水流数值模拟及消能分析

Numerical Simulation of Overflow and Energy Dissipation Analysis in Stepped Spillway

阶梯溢流坝紊流数值模拟及实验研究

Turbulence Numerical Simulation and Model Test of the Stepped Spillway Overflow

三门峡溢流坝基岩应变观测资料分析研究

Study of Strain Data Observed from Sanmenxia Overflow Dam Foundation Rock

不同墩型溢流坝水动力特性研究

Investigation of hydrodynamic characteristics of overflow dam with different types of piers

掺气分流墩阶梯溢流坝面水力特性试验研究

Experiment Study on Hydraulic Characteristic of Stepped Spillway with Aerated Splitter Pier

台阶式溢流坝是一种全新的泄水建筑物形式。

Stepped spillways is a type of new spillway structure .

溢流坝滑动模板的设计与施工

Design and Construction of the Sliding Formwork for Overflow Dam

三峡工程溢流坝掺气减蚀研究

Study on Anti-corrosion by Air Entraining for the Overflow Dam of TGP

阶梯溢流坝自由表面掺气特性数值模拟

Numerical simulation of characteristics of free-surface aeration on stepped spillway

溢流坝采用异型宽尾墩挑流消能；

To use the fashion flaring piers in spillway dam ;

高溢流坝坝顶下游曲线的研究

Studies of downstream crest curve shapes for high Overflow Dams

三峡溢流坝左导墙流激振动有限元计算分析

FEM analysis on flow-induced vibration of TGP left traning wall

台阶溢流坝过流掺气减蚀问题的研究

Study on Flow Aeration to Prevent Cavitation on Stepped Spillway

低溢流坝反弧段应力计算探讨

Approach to Stress Calculation in Ogee Section of Overflow Dam